一、概要
本方法根据中国人使用习惯实现了:
总体按照按数字、字母、汉字升序;
数字之间按数值大小升序排序;
字母之间按ascii升序排序;
汉字之间按拼音升序排序。
二、方法入口
public static List<String> sortByChinese(List<String> list) {
if (list == null || list.size() < 2) {
return list;
}
list.sort(new ChineseComparator());
return list;
}
三、比较器实现
import java.io.Serializable;
import java.text.Collator;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
import java.util.Locale;
public class ChineseComparator implements Comparator<String>, Serializable {
private static final long serialVersionUID = 1L;
private static final Integer TYPE_NUMBER = 0;
private static final Integer TYPE_CHARACTER = 1;
public ChineseComparator() {
}
@Override
public int compare(String o1, String o2) {
String[] o1Chars = o1.split("");
String[] o2Chars = o2.split("");
List<List<Object>> o1CharList = getCharList(o1Chars);
List<List<Object>> o2CharList = getCharList(o2Chars);
int max = Math.max(o1CharList.size(), o2CharList.size());
while (o1CharList.size() < max) {
o1CharList.add(new ArrayList<>());
}
while (o2CharList.size() < max) {
o2CharList.add(new ArrayList<>());
}
int compare = 0;
for (int i = 0; i < max; i++) {
List<Object> o1list = o1CharList.get(i);
List<Object> o2list = o2CharList.get(i);
if (o1list.size() == 0) {
compare = -1;
break;
}
if (o2list.size() == 0) {
compare = 1;
break;
}
Integer o1Type = (Integer) o1list.get(0);
Integer o2Type = (Integer) o2list.get(0);
int typeCompare = Integer.compare(o1Type, o2Type);
if (typeCompare != 0) {
compare = typeCompare;
break;
} else {
if (TYPE_NUMBER.equals(o1Type)) {
int o1Content = Integer.parseInt(o1list.get(1).toString());
int o2Content = Integer.parseInt(o2list.get(1).toString());
compare = Integer.compare(o1Content, o2Content);
} else if (TYPE_CHARACTER.equals(o1Type)) {
String o1Content = (String) o1list.get(1);
String o2Content = (String) o2list.get(1);
compare = Collator.getInstance(Locale.CHINESE).compare(o1Content, o2Content);
}
if (compare != 0) {
break;
}
}
}
return compare;
}
private List<List<Object>> getCharList(String[] chars) {
List<List<Object>> charList = new ArrayList<>();
List<Object> list;
for (int i = 0; i < chars.length; i++) {
char c = (chars[i].toCharArray())[0];
list = new ArrayList<>();
if (((int) c >= '0' && (int) c <= '9')) {
StringBuilder str = new StringBuilder();
do {
str.append(c);
if (i + 1 < chars.length) {
c = (chars[++i].toCharArray())[0];
} else {
break;
}
} while ((int) c >= '0' && (int) c <= '9');
if (!(i + 1 == chars.length) || !(((int) c >= '0' && (int) c <= '9'))) {
i--;
}
list.add(TYPE_NUMBER);
list.add(str.toString());
} else {
list.add(TYPE_CHARACTER);
list.add(String.valueOf(c));
}
charList.add(list);
}
return charList;
}
}
四、实现效果
public static void main(String[] args) {
List<String> list = new ArrayList<String>() {{
add("1排序");
add("10排序");
add("1000000000排序");
add("2排序");
add("排1序");
add("排10序");
add("排2序");
add("排序1");
add("排序10");
add("排序2");
add("a排序");
add("c排序");
add("b排序");
add("排a序");
add("排c序");
add("排b序");
add("排序a");
add("排序c");
add("排序b");
add("比bi");
add("被bei");
add("把ba");
}};
list = listUtil.sortByChinese(list);
for (String str : list) {
System.out.println(str);
}
}
本文内容由网友自发贡献,版权归原作者所有,本站不承担相应法律责任。如您发现有涉嫌抄袭侵权的内容,请联系:hwhale#tublm.com(使用前将#替换为@)